IP Library Granted Patent US 8,778,990
Granted Patent B2
US 8,778,990 · App. 13/127,551 · Granted Jul 15, 2014

Betulinic acid derivatives and methods of use thereof

Inventors: Tadashi Honda (Port Jefferson Station, NY); Michael B. Sporn (Tunbridge, VT); Karen T. Liby (West Lebanon, NH); Gordon W. Gribble (Lebanon, NH); Robert M. Kral, Jr. (Grapevine, TX); Melean Visnick (Irving, TX)
Assignees: Trustees of Dartmouth College; Reata Pharmaceuticals, Inc.
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Quick Facts
Patent No.
US 8,778,990
App. No.
13/127,551
Granted
Jul 15, 2014
Kind
B2
Abstract

This invention features betulinic acid derivatives having the formula: wherein the variables are defined herein. The invention also provides related compounds and intermediates thereof, as well as pharmaceutical compositions, kits, and articles of manufacture comprising such compounds. Treatment methods and methods of manufacture are also provided.

Claims (11)

1. A compound selected from the group of:

(1R,3aS,5aR,5bR,7aR,11aR,13aR,13bR)-10-cyano-5a,5b,8,8,11a-pentamethyl-9-oxo-1-(prop-1-en-2-yl)-N-(2,2,2-trifluoroethyl)-2,3,3a,4,5,5a,5b,6,7,7a,8,9,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysene-3a-carboxamide;

(1R,3aS,5aR,5bR,7aR,11aR,13aR,13bR)-10-cyano-N-(2,2-difluoroethyl)-5a,5b,8,8,11a-pentamethyl-9-oxo-1-(prop-1-en-2-yl)-2,3,3a,4,5,5a,5b,6,7,7a,8,9,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysene-3a-carboxamide;

(1R,3aS,5aR,5bR,7aR,11aR,13aR,13bR)-10-cyano-N-(2-fluoroethyl)-5a,5b,8,8,11a-pentamethyl-9-oxo-1-(prop-1-en-2-yl)-2,3,3a,4,5,5a,5b,6,7,7a,8,9,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysene-3a-carboxamide;

(1R,3aS,5aR,5bR,7aR,11aR,13aR,13bR)-5a,5b,8,8,11a-pentamethyl-9-oxo-1-(prop-1-en-2-yl)-2,3,3a,4,5,5a,5b,6,7,7a,8,9,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysene-3a,10-dicarbonitrile;

 and

(1R,3aS,5aR,5bR,7aR,11aR,13aR,13bR)-10-cyano-5a,5b,8,8,11a-pentamethyl-9-oxo-1-(prop-1-en-2-yl)-2,3,3a,4,5,5a,5b,6,7,7a,8,9,11a,11b,12,13,13a,13b-octadecahydro-1H-cyclopenta[a]chrysene-3a-carboxylic anhydride

2. A pharmaceutical composition comprising as an active ingredient a compound of claim 1 and a pharmaceutically acceptable carrier.

3. A method for inhibiting IFN-γ-induced nitric oxide production in cells comprising administering to a subject in need thereof a pharmaceutically effective amount of a compound of claim 1 so that IFN-γ-induced nitric oxide production is inhibited in the cells of the subject.

4. A kit comprising a compound of claim 1 ; and instructions which include one or more forms of information selected from the group of indicating a disease state for which the compound is to be administered, storage information for the compound, dosing information and instructions regarding how to administer the compound.

5. The kit of claim 4 , wherein the kit comprises the compound in a multiple dose form.

Assignments (4)
RELEASE OF SECURITY INTEREST Recorded Jun 24, 2020
From: OXFORD FINANCE LLC, AS COLLATERAL AGENT
To: REATA PHARMACEUTICALS, INC.
Reel/Frame 053034/0018 →
SECURITY INTEREST Recorded Jun 14, 2018
From: REATA PHARMACEUTICALS, INC.
To: OXFORD FINANCE LLC, AS COLLATERAL AGENT
Reel/Frame 046357/0605 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 4, 2011
From: TADASHI, HONDA; SPORN, MICHAEL B.; LIBY, KAREN T.; GRIBBLE, GORDON W.
To: TRUSTEES OF DARTMOUTH COLLEGE
Reel/Frame 026224/0783 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 4, 2011
From: KRAL, ROBERT M., JR.; VISNICK, MELEAN
To: REATA PHARMACEUTICALS, INC.
Reel/Frame 026225/0023 →
Continuity (2)
Provisional Application 61111274 · Nov 4, 2008
Related Publication 20120101149A1 · Apr 26, 2012